Optimizing the subwavelength grating of L-band annular groove phase masks for high coronagraphic performance
E. Vargas Catalán, E. Huby, P. Forsberg, A. Jolivet, P. Baudoz, B. Carlomagno, C. Delacroix, S. Habraken, D. Mawet, J. Surdej, O. Absil and M. Karlsson
